Answer by  
                                                                                          ahsanmahmoodawan (1169)
                                                            
                          
                          
                                                          brother if you have a cd-r then you can't format it once its write 
 and if you have a cd-rw then you can format it by following steps 
 start menu > run > format (write the drive letter of cd writer drive): and press enter 
 or open my computer and right click on drive and select format and start it